Problem	parallelogramisation2
User	haiquan
Submission Time	2025-06-17 21:18:06
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

parallelogramisation2.cpp: In function ‘int main()’:
parallelogramisation2.cpp:13:13: error: no match for ‘operator<<’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘int’)
13 | cin << a << b << c << d;
| ~~~ ^~ ~
| | |
| | int
| std::istream {aka std::basic_istream<char>}
parallelogramisation2.cpp:13:13: note: candidate: ‘operator<<(int, int)’ <built-in>
13 | cin << a << b << c << d;
| ~~~~^~~~
parallelogramisation2.cpp:13:13: note: no known conversion for argument 1 from ‘std::istream’ {aka ‘std::basic_istream<char>’} to ‘int’
In file included from /usr/include/c++/9/regex:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
from parallelogramisation2.cpp:2:
/usr/include/c++/9/bits/regex.h: